Green 70D Improved | Heat Tolerant Choy Sum Seed
$5.65 – $59.70 AUD excl gst
Heat-tolerant choi sum
Among the most popular vegetables in Hong Kong, Taiwan, and China, Choi sums are a vibrant bright green, very sweet and tender, and are usually harvested just before, or as the first few buds are opening. The stems regrow for cut-and-come-again harvest. Excellent in stir-fries, steamed, or in soups.
- Improved heat tolerant type
- Open pollinated
- Cut and come again, stem regrowth
- Days To Maturity: 21 baby; 42 full size
Green 70 D Improved | Heat Tolerant Choy Sum Seed
SCIENTIFIC NAME: Brassica rapa var. chinensis
FOR PERMABEDS/SMALL-MED MARKET GARDENS:
TRANSPLANTS: 72 cell flats, 30 days in the nursery
INTENSIVE SPACING: 4 rows, 30cm spacing on the row, 28cm between the row. Can be grown as baby leaf, cut and come again.
CULTURE: Sow from early spring through midsummer. May be sown into late fall in mild climates or when overwintering in a high tunnel or other protected structure. For full-size bunching: sow 15 seeds/, 6mm deep in rows 30-45cm apart. Most varieties do not require thinning; see individual product descriptions for varieties that do.
SUCCESSION PLANTING: Sowing every 7-10 days will provide a continuous harvest of both budding/cutting and heading types.
INSECT PESTS: Flea beetles are best controlled by covering with floating row covers from the day of sowing.
HARVEST: Budding/cutting types (choi sum and kailaan): harvest when the buds are just mature, or a few are just blooming. Multiple harvests are possible for these types. Heading types (celtuce, Chinese cabbage, and komatsuna): may be harvested from medium to full-size, depending on local market preferences. These types are suitable for single harvests.
AVG. SEEDING RATE: For bunching: 30g/250m, 500g./4km at above spacing.
- Latin Name: Brassica rapa var. chinensis
- Days To Maturity: 50 Days
- Life Cycle: Annual
- Hybrid Status: Open pollinated